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Posted to commits@buildr.apache.org by "Daniel Spiewak (JIRA)" <ji...@apache.org> on 2009/02/19 17:42:02 UTC
[jira] Closed: (BUILDR-229) Improve Scala Source Change Detection
[ https://issues.apache.org/jira/browse/BUILDR-229?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Spiewak closed BUILDR-229.
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Resolution: Won't Fix
> Improve Scala Source Change Detection
> -------------------------------------
>
> Key: BUILDR-229
> URL: https://issues.apache.org/jira/browse/BUILDR-229
> Project: Buildr
> Issue Type: New Feature
> Components: Compilers
> Affects Versions: 1.4
> Reporter: Daniel Spiewak
> Priority: Minor
>
> To my knowledge, Buildr currently bases its decision on which Scala files to compile based on simple file change heuristics (modified timestamp). Because Scala produces such a massive number of .class files, this can sometimes lead to longer-than-necessary compilation times. SBT (simple-build-tool) contains a rather innovative feature which actually bundles a Scala compiler plugin to optimize these recompilation heuristics. Specifically: http://code.google.com/p/simple-build-tool/source/browse/trunk/src/main/scala/sbt/Analyzer.scala
> I'm not entirely clear yet on how it works, but it seems like it would do much to improve Buildr's rather-lengthy Scala build times.
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